30 Pack Full Ceramic 6932RS Miniature Ball Bearings 3x8x3mm ZrO2 Ceramic Bearings With PTFE Cage Durable High Precision Wholesale Pack Ideal For Micro Machines Robotics Drones Watches And Medical Devices

Sealed ceramic miniature bearings 3x8x3mm, 30 pack
✔️ 3x8x3mm full ceramic bearings, zirconia balls, PTFE cage

These compact, high-precision bearings are designed for tiny mechanical assemblies, lab gear, and hobby projects. With zirconia ceramic balls and ceramic races, they offer excellent wear resistance, low friction, and superior chemical tolerance for sealed ball bearing applications in micro-robotics and linear slide units.

✅ Inner diameter 3 mm, outer diameter 8 mm, width 3 mm
✅ Ball material: Zirconia ceramic (ZrO2)
✅ Races material: Zirconia ceramic (ZrO2)
✅ Cage: PTFE (Polytetrafluoroethylene)
✅ Pack: 30 bearings

💡 What is a ceramic miniature ball bearing used for in precision machinery?

These tiny parts are handy for smooth, precise motion in compact systems.

- Handy for micro-robotics and model builders - Great chemical resistance for lab gear - Low friction at high speeds in small axes - Durable in sealed, load-bearing micro-motions